Commuters beware - there's set to be some major changes to Irish Rail timetables this Easter weekend.

The alterations will affect Northside DART, Northern Commuter and Enterprise services to and from Connolly from Friday April 14 at 7pm until Sunday April 16.

Heuston services from 1pm until the last train on Saturday April 15 will also be affected.

This is because of line closures for track improvement works.

Trains are also expected to be busy in the run up to Easter and anyone hoping to travel should book in advance to guarantee a seat.

Full service information is available at www.irishrail.ie but customers should note the following:

GOOD FRIDAY 14 APRIL

Intercity services will operate to a Friday schedule with some alterations. See irishrail.ie for full information.

DART and Northern Commuter will operate to a Saturday schedule until 19.00hrs approx.From Friday 14 from 19:00hrs to close of business Sunday 16 April, DART services will operate between Connolly and Greystones only. No DART services will operate between Connolly and Malahide/Howth during this time. Dublin Bus will honour rail tickets. Northern Commuter services will operate between Skerries and Drogheda and Dundalk only. Bus transfers will operate between Connolly and Skerries, serving Donabate. Rush & Lusk station will remain closed for the duration of the works and Dublin Bus will honour tickets to and from Rush and Lusk.

Enterprise services after 19.00hrs will operate between Drogheda and Belfast with a bus transfer between Connolly and Drogheda.

Maynooth/M3 Parkway services will operate to a Saturday schedule with the addition of the 06.15 Longford-Pearse and 17.15 Connolly-Longford services. Docklands Station is closed on this day.

Portlaoise/Kildare/Newbridge Commuter services will operate to a Friday schedule with some alterations. There will also be a limited peak Newbridge/Hazelhatch to Grand Canal Dock service. See irishrail.ie for full information.

EASTER SATURDAY 15 APRIL

From 13.00hrs onwards, no services will operate to/from Heuston for the remainder of the day due to line improvement works. Customers should note:

After 13.00hrs, services between Dublin and Cork will operate with bus transfers between Heuston and Newbridge/Portlaoise, with onward train services, approximately every two hours. Dublin Heuston/Limerick services will operate with connections to/from all Dublin Heuston/Cork services at Limerick Junction.

Dublin Heuston/Galway and Dublin Heuston/Westport services after 13.30hrs will operate with bus transfers between Heuston and Kildare and onward train services.

Dublin Heuston/Waterford services after 13.30hrs will operate with bus transfers between Heuston and Athy, with onward train services.

There will be no Portlaoise/Kildare/Newbridge commuter services from 13.30 onwards. An hourly bus shuttle service will operate between Heuston and Hazelhatch, and bus connections will also be available to Sallins and Newbridge. Intercity services will serve stations between Newbridge and Portlaoise.

Connolly/Sligo and Connolly/Rosslare services will operate to a normal Saturday service.

DART will operate to a Saturday schedule between Connolly and Greystones only. No DART services will operate between Connolly and Malahide/Howth. Dublin Bus will honour rail tickets.

Northern Commuter services will operate between Skerries and Drogheda and Dundalk only. Bus transfers will operate between Connolly and Skerries, serving Donabate. Rush & Lusk station will remain closed for the duration of the works and Dublin Bus will honour tickets to and from Rush and Lusk.

Enterprise will operate between Drogheda and Belfast with a bus transfer between Connolly and Drogheda.

Maynooth/M3 Parkway services will operate to a normal Saturday schedule.

Cork Commuter will operate to a normal Saturday schedule.

Dublin Connolly train station (Image: Wikimedia Commons)

EASTER SUNDAY, 16 APRIL

Intercity (excluding Enterprise) will operate to a Sunday service with some time alterations, and some cancellations. See irishrail.ie for full information. The following morning services will be part-substituted by bus:

00 Heuston/Galway will have bus transfers between Heuston and Newbridge

30 Heuston/Tralee will have bus transfers between Heuston and Portlaoise

10 Heuston/Waterford will have bus transfers between Heuston and Athy

DART will operate to a Sunday schedule between Connolly and Greystones only. No DART services will operate between Connolly and Malahide/Howth. Dublin Bus will honour rail tickets.

Northern Commuter services will operate between Skerries and Drogheda and Dundalk only. Bus transfers will operate between Connolly and Skerries, serving Donabate. Rush & Lusk station will remain closed for the duration of the works and Dublin Bus will honour tickets to and from Rush and Lusk.

Enterprise will operate between Drogheda and Belfast with a bus transfer between Connolly and Drogheda.

Maynooth/M3 Parkway services will operate to a normal Sunday schedule.

Portlaoise/Kildare/Newbridge Commuter services will operate to a Sunday schedule with some alterations.

EASTER MONDAY, 17 APRIL

Cork Commuter will operate to an hourly service on Cork/Cobh and an hourly service on Cork/Midleton approximately. See irishrail.ie for full information.

Sligo and Rosslare services operate to a Sunday schedule.

Heuston Intercity routes will operate to a Monday schedule, with a significant number of alterations. Please see irishrail.ie for for full information.

Enterprise services will operate to a Monday service, except for:

30 Newry to Connolly is cancelled.

35 Connolly to Belfast includes a bus transfer from Connolly to Drogheda.

All customers are advised to check times before travel at www.irishrail.ie - Iarnród Éireann apologises for any inconvenience these essential works may cause.

Customers should note similar works will also take place on May Bank Holiday Saturday (April 29) to/from Heuston and May Bank Holiday Saturday and Sunday (April 29 and 30) affecting northside DART, northern Commuter and Enterprise services.